Home / 8,748,007.90-13,122,011.85-8,055,166.30

Finding the Fourth Proportional to 8,748,007.90, 13,122,011.85 and 8,055,166.30

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Solution

The fourth proportional to 8,748,007.90, 13,122,011.85 and 8,055,166.30 is: 12,082,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,007.90 : 13,122,011.85 = 8,055,166.30 : x
  2. Step 2: Convert to fraction form
    8,748,007.90/13,122,011.85 = 8,055,166.30/x
  3. Step 3: Cross multiply
    8,748,007.90x = 13,122,011.85 × 8,055,166.30
  4. Step 4: Simplify right side
    8,748,007.90x = 105,699,987,642,320.66
  5. Step 5: Solve for x
    x = 105,699,987,642,320.66/8,748,007.90
  6. Step 6: Final answer
    x = 12,082,749.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.